alloys

• What are alloys?


  Mixtures of two or more metals.
• why are alloys stronger then metals?

  as the new element distorts the layers, so the layers can't slide past eachother
• what are the properties of alloys?

  greater hardness greater strength more lightnessmore durability
• all metals have these properties...?

  ductile lustre malleable conductivity
• conductivity?

  able to conduct heat or electricity
• is gold an alloy?

  yes
• what karats are there?

  12, 14 , 22
• Steel alloys for example are composed of what...?

  composed primarily of iron, nickel and other metallic elements.
• why are steel alloys important?

  they are strong and supportive
• what can alloys be used for?


  Industrial machinery, Construction beams , Railroad cars & rails, Car frames, Food cans, Knives, Tooth filling (mercury & silicon), Pins & screws for medicinal purposes